Home / 8,299,642.64-11,449,597.86-5,397,974.78

Finding the Fourth Proportional to 8,299,642.64, 11,449,597.86 and 5,397,974.78

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Solution

The fourth proportional to 8,299,642.64, 11,449,597.86 and 5,397,974.78 is: 7,446,662.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299,642.64 : 11,449,597.86 = 5,397,974.78 : x
  2. Step 2: Convert to fraction form
    8,299,642.64/11,449,597.86 = 5,397,974.78/x
  3. Step 3: Cross multiply
    8,299,642.64x = 11,449,597.86 × 5,397,974.78
  4. Step 4: Simplify right side
    8,299,642.64x = 61,804,640,432,173.98
  5. Step 5: Solve for x
    x = 61,804,640,432,173.98/8,299,642.64
  6. Step 6: Final answer
    x = 7,446,662.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.